ABSTRACT
Based on animals and human studies on the safety of exercise in pregnancy as well as on their results on the disminution of the perinatal morbidity and mortality, the Second International Workshop-Conference on Gestational Diabetes Mellitus (1985) endorsed the concept that pregnant diabetic women with an active lifestyle may continue a program of moderate exercise under medical supervision. The purpose of this review is to establish the principal aspects of the physical exercise prescription for to get their better benefits. Before starting an exercise program all patients should have a complete history and physical examination, with particular attention to identifying the physical health, chronological and gestational ages, type of diabetes mellitus, diabetic control and presence of any long term complications of diabetes, because the all of them depend the type, duration, intensity and frequency of the exercise, as well as, to avoid any risk.